/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Global definitions for the IP router interface.
 *
 * Version:	@(#)route.h	1.0.3	05/27/93
 *
 * Authors:	Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
 *		for the purposes of compatibility only.
 *
 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 * Changes:
 *              Mike McLagan    :       Routing by source
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_ROUTE_H
#define _LINUX_ROUTE_H

#include <linux/if.h>
#include <linux/compiler.h>

/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
struct rtentry {
	unsigned long rt_pad1;
	struct sockaddr rt_dst;	/* target address               */
	struct sockaddr rt_gateway;	/* gateway addr (RTF_GATEWAY)   */
	struct sockaddr rt_genmask;	/* target network mask (IP)     */
	unsigned short rt_flags;
	short rt_pad2;
	unsigned long rt_pad3;
	void *rt_pad4;
	short rt_metric;	/* +1 for binary compatibility! */
	char __user *rt_dev;	/* forcing the device at add    */
	unsigned long rt_mtu;	/* per route MTU/Window         */
#ifndef __KERNEL__
#define rt_mss	rt_mtu		/* Compatibility :-(            */
#endif
	unsigned long rt_window;	/* Window clamping              */
	unsigned short rt_irtt;	/* Initial RTT                  */
};

#define	RTF_UP		0x0001	/* route usable                 */
#define	RTF_GATEWAY	0x0002	/* destination is a gateway     */
#define	RTF_HOST	0x0004	/* host entry (net otherwise)   */
#define RTF_REINSTATE	0x0008	/* reinstate route after tmout  */
#define	RTF_DYNAMIC	0x0010	/* created dyn. (by redirect)   */
#define	RTF_MODIFIED	0x0020	/* modified dyn. (by redirect)  */
#define RTF_MTU		0x0040	/* specific MTU for this route  */
#define RTF_MSS		RTF_MTU	/* Compatibility :-(            */
#define RTF_WINDOW	0x0080	/* per route window clamping    */
#define RTF_IRTT	0x0100	/* Initial round trip time      */
#define RTF_REJECT	0x0200	/* Reject route                 */

/*
 *	<linux/ipv6_route.h> uses RTF values >= 64k
 */

#endif /* _LINUX_ROUTE_H */
